Home / 3,357.45-4,633.20-1,960.20

Finding the Fourth Proportional to 3,357.45, 4,633.20 and 1,960.20

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Solution

The fourth proportional to 3,357.45, 4,633.20 and 1,960.20 is: 2,705.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.45 : 4,633.20 = 1,960.20 : x
  2. Step 2: Convert to fraction form
    3,357.45/4,633.20 = 1,960.20/x
  3. Step 3: Cross multiply
    3,357.45x = 4,633.20 × 1,960.20
  4. Step 4: Simplify right side
    3,357.45x = 9,081,998.64
  5. Step 5: Solve for x
    x = 9,081,998.64/3,357.45
  6. Step 6: Final answer
    x = 2,705.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.